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Development of a Real-Time Transverse Pavement Profile Measurement System

The Texas Department of Transportation (TxDOT) has been using a five-sensor rut bar system, using ultrasonic sensor technology, to automatically collect estimates of pavement rutting for pavement management information system (PMIS) purposes. TxDOT also is presently using a laser-based rut measurements system on one of the TxDOT Profilers. Laser and acoustic based systems are spot-specific, with the sensors located at fixed distances across the eight foot rut bar. These techniques limit the rut measurements to fixed points along an imaginary stringline. This project has investigated the use of scanning laser technology for measuring transverse profile and rut information. A functional system has been developed to scan the full width of the paving lane and to report and store the rut condition of each wheel path. An algorithm has also been developed to measure and report the deepest rut per scan. The system has been tested at several sites and is ready for limited implementation.

  • Corporate Authors:

    University of Texas, Arlington

    Department of Civil and Environmental Engineering, P.O. Box 19308
    Arlington, TX  United States  76019-0308

    Texas Department of Transportation

    Research and Technology Implementation Office, P.O. Box 5080
    Austin, TX  United States  78763-5080
  • Authors:
    • Walker, Roger S
    • Underwood, Stephen A
  • Publication Date: 2003-2

Language

  • English

Media Info

  • Media Type: Print
  • Edition: Final Report
  • Features: Figures; Photos; References; Tables;
  • Pagination: 93p

Subject/Index Terms

Filing Info

  • Accession Number: 01011192
  • Record Type: Publication
  • Report/Paper Numbers: Research Report 0-1782-1
  • Contract Numbers: Project No. 0-1782
  • Files: TRIS, STATEDOT
  • Created Date: Dec 16 2005 12:23PM